Jun 19, 2022 Jun 19, 2022 Created by Mr.Lafferty Math Dept Created by Mr.Lafferty Math Dept Revising Basic Angles Naming Angles www.mathsrevision.com Calculating Missing angles Angles in a Triangle Corresponding Angles Alternate Angles Angles Angles MTH 3-17a
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18-Dec-14Created by Mr.Lafferty Math Dept Revising Basic Angles Naming Angles Calculating Missing angles Angles in a Triangle Corresponding.
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Apr 11, 2023Apr 11, 2023 Created by Mr.Lafferty Math DeptCreated by Mr.Lafferty Math Dept
Revising Basic Angles
Naming Angles
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Calculating Missing angles
Angles in a Triangle
Corresponding Angles
Alternate Angles
AnglesAnglesMTH 3-17a
Apr 11, 2023Apr 11, 2023 Created by Mr.Lafferty Math DeptCreated by Mr.Lafferty Math Dept
Starter QuestionsStarter Questions
Q3. Calculate 2.34 + 4.7 + 0.12
Q1. Convert to the 24 hour clock. (a) 7:25 pm (b) 6:50 am
Q2. Write down the type of angle that is less than 90 deg.
Q4. Round the following to nearest 1000.
(a) 12,501 (b) 369,765
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Apr 11, 2023Apr 11, 2023 Created by Mr.Lafferty Math DeptCreated by Mr.Lafferty Math Dept
1.1. To be able to identify To be able to identify acute, right-angle, acute, right-angle, obtuse, straight line and obtuse, straight line and reflex angles.reflex angles.
1. To revise Type of Angles from Level 2.
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Type of AnglesType of AnglesMTH 3-17a
Apr 11, 2023Apr 11, 2023 Created by Mr.Lafferty Math DeptCreated by Mr.Lafferty Math Dept
Acute less than 90o
Obtuse Between 90o – 180o
Right Angle exactly 90o
reflex over 180o less than 360o
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Straight Line Angle exactly 180o
Type of AnglesType of AnglesMTH 3-17a
HorizontalV
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Apr 11, 2023Apr 11, 2023 Created by Mr.Lafferty Math DeptCreated by Mr.Lafferty Math Dept
Now try Ch12 (page 146)
Exercise 1
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Type of AnglesType of AnglesMTH 3-17a
Apr 11, 2023Apr 11, 2023 Created by Mr.Lafferty Math DeptCreated by Mr.Lafferty Math Dept
Starter QuestionsStarter Questionsw
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Q3. Calculate 5.65 – 1.3
Q1. Convert to the 12 hour clock. (a) 17:15 (b) 05:40
Q2. Write down 2 numbers that add to give 8 andmultiply to give 15.
Q4. Round the following to nearest 100.
(a) 13,551 (b) 369,449
MTH 3-17a
Apr 11, 2023Apr 11, 2023 Created by Mr.Lafferty Math DeptCreated by Mr.Lafferty Math Dept
1.1. Remember how to Remember how to name an angle.name an angle.
1. We are learning how we name angles by THREE capital letters with the angle sign.
2.2. Understand the Understand the difference between difference between the type of angle and the type of angle and the name of an the name of an angle.angle.
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Naming AnglesNaming AnglesMTH 3-17a
Apr 11, 2023Apr 11, 2023 Created by Mr.Lafferty Math DeptCreated by Mr.Lafferty Math Dept
Naming AnglesNaming Anglesw
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A
B C
Type of angle is acute
Name of angle is ∠ ABC
Type of angle is obtuse
Name of angle is ∠ ZYX
X
YZ
MIDDLE LETTER IS ALWAYS WHERE THE ANGLE IS
ALWAYS 3 CAPITAL LETTERS
MTH 3-17a
Apr 11, 2023Apr 11, 2023 Created by Mr.Lafferty Math DeptCreated by Mr.Lafferty Math Dept
Now try Ch12 (page 147)
Exercise 2
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Naming AnglesNaming AnglesMTH 3-17a
Apr 11, 2023Apr 11, 2023 Created by Mr.Lafferty Math DeptCreated by Mr.Lafferty Math Dept
Starter Starter QuestionsQuestions
(a) - 6 - 7 (b) -10 + (-3) (c) - 2 - 12
Q2. Convert to 12 hrs clock
(a) 23 00 hrs (b) 14 23 hrs
Q.3 Solve 5x - 45=70
1. Calculate:
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MTH 3-17a
Apr 11, 2023Apr 11, 2023 Created by Mr.Lafferty Math DeptCreated by Mr.Lafferty Math Dept